president obama is in henderson nevada where he's practicing for the next couple of days. both the president and mitt romney's camps are trying to lower expectations so that if someone does particularly well, it will be an apparent surprise. we heard over the weekend that mitt romney is working on some hard-hitting one-liners because he has that well-timed sense of humor thing. here's the president in response to that news. >> i know folks in the media are speculating already on who's going to have the best zingers. governor romney is a good debater. >> not so sure if he's a good zinger. the presidential last debate was back in 2008. he and mitt romney have never gone head to head. romney does need a win to make this a game changer. the match-up will be wednesday night in denver and of course, we know that you'll be tuned in right here to current tv tv for all of our pre and post-debate coverage. 83% of respondents to a new abc news poll said they're interested in the debates as well. so you're in good company. the supreme court starts a new session today. it plans to take